It didn't provide any other specifics about the summit beyond saying the theme will be the "protection of minors."

A grand jury report released last month said more than 300 priests in Pennsylvania were credibly accused of abusing more than 1,000 children over multiple decades.

It's the latest in a decades-long scandal involving the church, with similar allegations of abuse and cover-ups across the globe — including in Chile, Argentina and Ireland.

Following the grand jury report's release, Pope Francis issued a letter to all Catholics, condemning sexual abuse by priests and calling for those who "perpetrate or cover up these crimes" to be held accountable.

He's scheduled to meet with a U.S. delegation Thursday. It wants the Vatican to fully investigate ex-Cardinal Theodore McCarrick, who resigned in July amid allegations that he sexually abused minors and adults. The delegation also wants to make it easier to report abuse and misconduct by bishops.